To get an idea of exactly how small the worldâs smallest insect is, take out a ruler and look at those tiny lines that appear in between centimeters (make sure youâre not on the side that measures in inches). If in doubt, ask a grown-up to help you find the millimeters.
Diarrhea can also cause weight loss. Abdominal pain is another symptom of colon cancer that may prevent you from eating normally. If you have lost a significant amount of weight accompanied with these symptoms, you need to talk to your doctor immediately to determine the cause.
Gastroenteritis (stomach flu) is a viral condition that causes diarrhea and vomiting. Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more. Ulcerative colitis causes swelling in the large intestine and can lead to cramping, diarrhea, and more.